Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 180 · 40 sums

The method (Add 12 after noon): a.m. → keep the hour, written with 2 digits: 07:15. p.m. → add 12 to the hour: 3:35 p.m. = 15:35. 24-hour back to 12-hour: hour more than 12 → take away 12 and say p.m. Time taken: count whole hours, then minutes. 1 hour = 60 minutes.

1. 1.A match starts at 12:05 and lasts 3 hours 10 minutes. At what time does it end? (a) 15:15 (b) 14:15 (c) 16:15
2. 2.A film is 1 hour 5 minutes long. How many minutes is that?
3. 3.Write 7:05 p.m. in 24-hour time. (a) 21:05 (b) 19:05 (c) 07:05
4. 4.A match starts at 17:55 and lasts 3 hours 30 minutes. At what time does it end? (a) 20:25 (b) 21:25 (c) 22:25
5. 5.How many hours are there from 07:00 to 13:00?
6. 6.What is 18:00 in 12-hour time? (a) 6:00 p.m. (b) 8:00 p.m. (c) 6:00 a.m.
7. 7.What is 14:15 in 12-hour time? (a) 2:15 a.m. (b) 2:15 p.m. (c) 4:15 p.m.
8. 8.A train leaves at 09:25 and reaches at 12:10. How long is the journey (in minutes)?
9. 9.A train leaves at 14:30 and reaches at 15:45. How long is the journey (in minutes)?
10. 10.What is 02:05 in 12-hour time? (a) 2:05 p.m. (b) 4:05 a.m. (c) 2:05 a.m.
11. 11.What is 22:50 in 12-hour time? (a) 10:50 p.m. (b) 12:50 p.m. (c) 10:50 a.m.
12. 12.A match starts at 14:55 and lasts 3 hours 15 minutes. At what time does it end? (a) 17:10 (b) 19:10 (c) 18:10
13. 13.What is 10:25 in 12-hour time? (a) 10:25 a.m. (b) 10:25 p.m. (c) 12:25 a.m.
14. 14.A match starts at 11:40 and lasts 2 hours 35 minutes. At what time does it end? (a) 13:15 (b) 15:15 (c) 14:15
15. 15.How many hours are there from 10:00 to 15:00?
16. 16.Write 7:55 a.m. in 24-hour time. (a) 19:55 (b) 07:55 (c) 09:55
17. 17.A film is 4 hours 35 minutes long. How many minutes is that?
18. 18.What is 01:35 in 12-hour time? (a) 3:35 a.m. (b) 1:35 a.m. (c) 1:35 p.m.
19. 19.Write 6:15 a.m. in 24-hour time. (a) 18:15 (b) 08:15 (c) 06:15
20. 20.A train leaves at 08:10 and reaches at 10:15. How long is the journey (in minutes)?
21. 21.A train leaves at 11:40 and reaches at 14:55. How long is the journey (in minutes)?
22. 22.How many hours are there from 08:00 to 19:00?
23. 23.A match starts at 17:20 and lasts 4 hours 40 minutes. At what time does it end? (a) 21:00 (b) 23:00 (c) 22:00
24. 24.A train leaves at 09:50 and reaches at 11:55. How long is the journey (in minutes)?
25. 25.What is 15:45 in 12-hour time? (a) 5:45 p.m. (b) 3:45 p.m. (c) 3:45 a.m.
26. 26.A film is 4 hours 5 minutes long. How many minutes is that?
27. 27.Write 8:30 p.m. in 24-hour time. (a) 08:30 (b) 22:30 (c) 20:30
28. 28.A train leaves at 17:40 and reaches at 19:20. How long is the journey (in minutes)?
29. 29.What is 06:05 in 12-hour time? (a) 6:05 p.m. (b) 8:05 a.m. (c) 6:05 a.m.
30. 30.A film is 2 hours 30 minutes long. How many minutes is that?
31. 31.What is 01:00 in 12-hour time? (a) 3:00 a.m. (b) 1:00 p.m. (c) 1:00 a.m.
32. 32.How many hours are there from 06:00 to 08:00?
33. 33.A film is 4 hours 20 minutes long. How many minutes is that?
34. 34.A train leaves at 12:00 and reaches at 12:25. How long is the journey (in minutes)?
35. 35.How many hours are there from 09:00 to 12:00?
36. 36.How many hours are there from 05:00 to 12:00?
37. 37.A film is 3 hours 30 minutes long. How many minutes is that?
38. 38.What is 21:30 in 12-hour time? (a) 11:30 p.m. (b) 9:30 a.m. (c) 9:30 p.m.
39. 39.Write 2:10 p.m. in 24-hour time. (a) 02:10 (b) 14:10 (c) 16:10
40. 40.A film is 1 hour 10 minutes long. How many minutes is that?

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